Home / 111,777.75-154,175.18-73,525.23

Finding the Fourth Proportional to 111,777.75, 154,175.18 and 73,525.23

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Solution

The fourth proportional to 111,777.75, 154,175.18 and 73,525.23 is: 101,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,777.75 : 154,175.18 = 73,525.23 : x
  2. Step 2: Convert to fraction form
    111,777.75/154,175.18 = 73,525.23/x
  3. Step 3: Cross multiply
    111,777.75x = 154,175.18 × 73,525.23
  4. Step 4: Simplify right side
    111,777.75x = 11,335,765,202.17
  5. Step 5: Solve for x
    x = 11,335,765,202.17/111,777.75
  6. Step 6: Final answer
    x = 101,413.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.